Numbers 18:13-15

Amplified Bible

¹³ The first ripe fruits of all that is in the land, which they bring to the Lord, shall be yours; everyone in your household who is [ceremonially] clean may eat it. ¹⁴ Every devoted thing in Israel [everything that has been promised to the Lord with an oath] shall be yours. ¹⁵ Every firstborn of the womb of all flesh, whether it is man or animal, which they bring to the Lord, shall be yours; nevertheless, the firstborn of man you shall most certainly redeem, and the firstborn of unclean animals you shall redeem.